<template>
  <div class="user-info-head" @click="editCropper()">
    <img :src="options.img" title="点击上传头像" class="img-lg" />
    <el-dialog
      :width="getWidth('800px')"
      :title="title"
      v-model="open"
      append-to-body
      @opened="modalOpened"
      @close="closeDialog"
    >
      <el-row>
        <el-col :xs="24" :md="12" :style="{ height: '350px' }">
          <vue-cropper
            ref="cropperRef"
            :img="options.img"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            :outputType="options.outputType"
            @realTime="realTime"
            v-if="visible"
          />
        </el-col>
        <el-col :xs="24" :md="12" :style="{ height: '350px' }">
          <div class="avatar-upload-preview">
            <img :src="options.previews.url" :style="options.previews.img" />
          </div>
        </el-col>
      </el-row>
      <br />
      <template #footer>
        <el-row>
          <el-col :lg="2" :md="2">
            <el-upload
              action="#"
              :show-file-list="false"
              :before-upload="beforeUpload"
            >
              <el-button type="warning">
                <SvgIcon iconClass="upload"></SvgIcon>
                <span class="ml6">选择</span>
              </el-button>
            </el-upload>
          </el-col>
          <el-col :lg="{ span: 1, offset: 2 }" :md="2">
            <el-button @click="changeScale(1)">
              <SvgIcon iconClass="plus"></SvgIcon>
            </el-button>
          </el-col>
          <el-col :lg="{ span: 1, offset: 1 }" :md="2">
            <el-button @click="changeScale(-1)">
              <SvgIcon iconClass="minus"></SvgIcon>
            </el-button>
          </el-col>
          <el-col :lg="{ span: 1, offset: 1 }" :md="2">
            <el-button @click="rotateLeft()">
              <SvgIcon iconClass="arrow-rotate-left"></SvgIcon>
            </el-button>
          </el-col>
          <el-col :lg="{ span: 1, offset: 1 }" :md="2">
            <el-button @click="rotateRight()">
              <SvgIcon iconClass="arrow-rotate-right"></SvgIcon>
            </el-button>
          </el-col>
          <el-col :lg="{ span: 2, offset: 6 }" :md="2">
            <el-button type="primary" @click="uploadImg()">提 交</el-button>
          </el-col>
        </el-row>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
import 'vue-cropper/dist/index.css'
import { VueCropper } from 'vue-cropper'
import { uploadAvatar } from '@/api/system/user'
import useUserStore from '@/store/modules/user'
import { proxy } from '@/utils/provide'
import { UploadRawFile } from 'element-plus'
const userStore = useUserStore()
const open = ref(false)
const visible = ref(false)
const title = ref('修改头像')
const cropperRef = useTemplateRef('cropperRef')
//图片裁剪数据
const options = reactive({
  img: userStore.avatar, // 裁剪图片的地址
  autoCrop: true, // 是否默认生成截图框
  autoCropWidth: 200, // 默认生成截图框宽度
  autoCropHeight: 200, // 默认生成截图框高度
  fixedBox: true, // 固定截图框大小 不允许改变
  outputType: 'png', // 默认生成截图为PNG格式
  previews: {
    url: '',
    img: '',
  }, //预览数据
})

/** 编辑头像 */
function editCropper() {
  open.value = true
}
/** 打开弹出层结束时的回调 */
function modalOpened() {
  visible.value = true
}
/** 覆盖默认上传行为 */
/** 向左旋转 */
function rotateLeft() {
  cropperRef.value?.rotateLeft()
}
/** 向右旋转 */
function rotateRight() {
  cropperRef.value?.rotateRight()
}
/** 图片缩放 */
function changeScale(num: number) {
  num = num || 1
  cropperRef.value?.changeScale(num)
}
/** 上传预处理 */
function beforeUpload(file: UploadRawFile) {
  if (file.type.indexOf('image/') == -1) {
    proxy.$modal.msgError(
      '文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。'
    )
  } else {
    const reader = new FileReader()
    reader.readAsDataURL(file)
    reader.onload = () => {
      options.img = reader.result as string
    }
  }
}
/** 上传图片 */
function uploadImg() {
  cropperRef.value?.getCropBlob((data: any) => {
    let formData = new FormData()
    formData.append('avatarfile', data)
    uploadAvatar(formData).then((response) => {
      open.value = false
      options.img = import.meta.env.VITE_APP_BASE_API + response.imgUrl
      userStore.avatar = options.img
      proxy.$modal.notifySuccess('修改成功')
      visible.value = false
    })
  })
}
/** 实时预览 */
function realTime(data: any) {
  options.previews = data
}
/** 关闭窗口 */
function closeDialog() {
  options.img = userStore.avatar
}
</script>

<style lang="scss" scoped>
.user-info-head {
  position: relative;
  display: inline-block;
}
.img-lg {
  width: 120px;
  height: 120px;
  border-radius: 50%;
}
.avatar-upload-preview {
  position: absolute;
  top: 50%;
  transform: translate(50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  box-shadow: 0 0 4px #ccc;
  overflow: hidden;
}

.user-info-head:hover:after {
  content: '+';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 24px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: pointer;
  line-height: 110px;
}
</style>
